[all-commits] [llvm/llvm-project] 130261: [MergeFunc] Fix crash caused by bitcasting ArrayTy...

[Tobias Stadler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1302610f03a1f10c2eea4c66445ccba4c52887b6
      https://github.com/llvm/llvm-project/commit/1302610f03a1f10c2eea4c66445ccba4c52887b6
  Author: Tobias Stadler <mail at stadler-tobias.de>
  Date:   2025-04-04 (Fri, 04 Apr 2025)

  Changed paths:
    M llvm/include/llvm/IR/IRBuilder.h
    M llvm/lib/CodeGen/GlobalMergeFunctions.cpp
    M llvm/lib/IR/IRBuilder.cpp
    M llvm/lib/Transforms/IPO/MergeFunctions.cpp
    A llvm/test/Transforms/MergeFunc/crash-cast-arrays.ll

  Log Message:
  -----------
  [MergeFunc] Fix crash caused by bitcasting ArrayType (#133259)

createCast in MergeFunctions did not consider ArrayTypes, which results
in the creation of a bitcast between ArrayTypes in the thunk function,
leading to an assertion failure in the provided test case.

The version of createCast in GlobalMergeFunctions does handle
ArrayTypes, so this common code has been factored out into the
IRBuilder.



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